Its very simple

Single toe loop- 1 rotation

Double toe loop- 2 rotations

Triple toe loop- 3 rotations

(and if its possible) Quadtriple toe loop- 4 rotationa

They're called aglets.

Yes they can. There are a whole range of toe loop sandals for men on sale. I have been wearing them for at least five years. The toe loop secures the shoe to the foot much better than ordinary flip flops.

Toe loops come in leather traditionally and also in a rubber version like flip flops.

Jumpers Edge - 2013 Toe-Loop 1-3 was released on:

USA: 1 June 2013

The type of jumps usually performed in a figure skating competition is Toe loop, Salchow, Loop, Flip, Lutz and Axel. Salchow, Loop and Axel are called edge jumps, the other 3 are called toe jumps.